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Read two to four stocks on the same scale — return, valuation and volatility in one table.

SelectedToday1M Return

GDGeneral Dynamics Corp− 2.38%+ 3.69%
RTXRTX Corp− 0.74%− 6.70%
Partial Period · Jul 31, 2026 — Sep 4, 2026

Period Return

Each series is converted to a percentage of its own starting point, so all of them begin at zero. What is compared is the return over the period, not price levels.

GD+ 3.7%RTX− 6.7%Tap or hover the chart for values along the way

Metric	GDGeneral Dynamics Corp	RTXRTX Corp
Return
Last Price	357.15	200.64
Daily Change	− 2.38%	− 0.74%
Period ReturnPast Month	+ 3.69%	− 6.70%Jul 31, 2026 — Sep 4, 2026
Valuation
Market Cap	$96.6 B	$270 B
P/E Ratio	21.79	35.33
Dividend Yield	2.13%	2.95%
Net MarginTrailing 12M	8.2%	8.3%
Risk
Beta	0.32	0.31
52-Week Range	306.77 — $400.00	150.61 — $226.88
Company
Sector	Industrials	Industrials
Industry	Aerospace & Defense	Aerospace & Defense

Company

GDIndustrials · Aerospace & Defense
RTXIndustrials · Aerospace & Defense

Alpaca · SIPUpdated 23:4515 Minutes Delayed

To Understand This

P/E and the Valuation RatiosYou can't tell whether a stock is cheap or expensive by looking at its price.Diversification: How Many Baskets Are Enough?Owning ten different stocks is not the same as owning ten different risks.